CN211450158U - Angle adjusting mechanism and projector - Google Patents
Angle adjusting mechanism and projector Download PDFInfo
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- CN211450158U CN211450158U CN201921961785.3U CN201921961785U CN211450158U CN 211450158 U CN211450158 U CN 211450158U CN 201921961785 U CN201921961785 U CN 201921961785U CN 211450158 U CN211450158 U CN 211450158U
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Abstract
The utility model provides an angle adjusting mechanism, a serial communication port, the on-line screen storage device comprises a base, the installing support, the linear drive structure, push rod and two support pieces, be equipped with two slide rails that set up along the first direction relatively on the base, the installing support has the holding surface that is used for supporting the equipment of waiting to transfer, the installing support rotates and locates on the base, be equipped with two strong points that set up along the first direction interval on the installing support, linear drive structure installs on the base and is used for driving the push rod and removes along the second direction, the second direction is perpendicular with the first direction, the both ends of push rod are slided respectively and are located on two slide rails, two support pieces articulate respectively between two push rods and two strong points, the push rod slides and promotes support piece at vertical plane internal rotation, it is rotatory in order to adjust the installation. A projector comprises a shell, a projection device and the angle adjusting mechanism. The utility model provides an angle adjustment mechanism can be used for adjusting projection equipment's angle of regulation, and rotates steadily.
Description
Technical Field
The utility model belongs to the technical field of the projection, more specifically say, relate to an angle adjustment mechanism and projecting apparatus.
Background
A projector is a device that projects an image or video onto a screen using an optical element. Projectors are now widely used in homes, offices, schools and entertainment venues.
However, the projection mode of the conventional projector is generally upright and suspended ceiling, the projection angle of the conventional projector is easily limited by the field, so that the picture is not clear, the picture size needs to be corrected manually when necessary, and inconvenience is brought to the installation of the projector.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an angle adjustment mechanism to the projection angle of the projecting apparatus that exists among the solution prior art needs manual adjustment when the installation to lead to the troublesome technical problem of installation.
In order to achieve the above object, the utility model adopts the following technical scheme: provides an angle adjusting mechanism, which comprises a base, a mounting bracket, a linear driving structure, a push rod and two supporting pieces, the base is provided with two slide rails which are oppositely arranged along a first direction, the mounting bracket is provided with a supporting surface for supporting the equipment to be adjusted, the mounting bracket is rotatably arranged on the base, two supporting points which are arranged at intervals along the first direction are arranged on the mounting bracket, the linear driving structure is arranged on the base and is used for driving the push rod to move along a second direction, the second direction is vertical to the first direction, two ends of the push rod are respectively arranged on the two slide rails in a sliding manner, the two supporting pieces are respectively hinged between the two push rods and the two supporting points, the push rod pushes the supporting piece to rotate in a vertical plane in a sliding mode, and the mounting support is driven to rotate so as to adjust the mounting angle of the equipment to be adjusted.
Optionally, the linear driving structure includes a motor, a screw rod connected to an output shaft of the motor, and a nut mounted on the screw rod, and the push rod is disposed on the nut and moves synchronously with the nut.
Optionally, the motor is a self-locking stepper motor.
Optionally, the base includes two first mounting panels that set up relatively and two second mounting panels that set up relatively, two first mounting panel and two the second mounting panel encloses to close and is formed with installation space, two the slide rail is for seting up respectively in two spout on the first mounting panel, one of them set up on the second mounting panel and be used for the installation the mounting groove of motor, the lead screw nut reaches the push rod is all movable to be located in the installation space.
Optionally, the sliding groove penetrates through the first mounting plate along the second direction, two ends of the push rod penetrate out of the sliding groove respectively, and the supporting piece is attached to the outer side of the base and the outer side of the mounting bracket respectively and is hinged to the push rod and the supporting point respectively.
Optionally, angle adjustment mechanism still includes control panel, first travel switch and second travel switch, the sharp drive structure with the control panel electricity is connected, first travel switch reaches second travel switch respectively with the control panel electricity is connected, first travel switch reaches second travel switch locates respectively on the slide rail and be used for injecing the biggest positive direction angle regulation and the biggest negative direction angle regulation of installing support.
Optionally, the maximum positive adjustment angle of the mounting bracket is positive 7.5 degrees, and the maximum negative adjustment angle of the mounting bracket is negative 7.5 degrees.
Optionally, the mounting bracket includes two side frames and at least one connecting rod, the two side frames are vertically disposed and spaced apart from each other along the first direction, the two side frames are respectively rotatably disposed on the base, the two supporting points are respectively disposed on the two side frames, and the connecting rod is connected between the two side frames.
Optionally, two the side frame is the right angled triangle frame, the side frame has the first connecting portion of connecting between hypotenuse and short right-angle limit, connects the second connecting portion between hypotenuse and long right-angle limit to and connect the third connecting portion between long right-angle limit and short right-angle limit, first connecting portion rotate locate on the base, the strong point is located on the second connecting portion, the installing support includes two the connecting rod, two the connecting rod is connected respectively in two second connecting portion and two between the third connecting portion.
The utility model also provides a projector, include the shell and locate projection equipment in the shell still includes above-mentioned angle adjustment mechanism, angle adjustment mechanism locates in the shell, projection equipment install in on the holding surface, the bottom of shell has and is used for the installation face of base, the installation face slope sets up.
The utility model provides an angle adjustment mechanism's beneficial effect lies in: compared with the prior art, the utility model discloses an angle adjustment mechanism includes base, installing support, linear drive structure, push rod and two support pieces, articulates between push rod and strong point through support piece, converts the linear motion of push rod into support piece's rotary motion to drive the installing support in vertical plane internal rotation, and then realize waiting to transfer the purpose of equipment angle modulation, need not manual regulation, the installation of the adjusting device of being convenient for. In addition, this embodiment is through the setting of push rod, two slide rails, two support pieces and two support points to convert the linear motion of linear drive structure into the rotary motion of two support pieces respectively, through the support rotation effect of two support pieces to the installing support, improved the rotation stationarity of installing support, and then improved the rotation stationarity, the reliability of waiting to transfer the equipment. The projector provided by the embodiment has the advantages that the projection angle is adjustable, and the visual angle effect of a projection picture is better.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural view of an angle adjustment mechanism provided in an embodiment of the present invention;
fig. 2 is a schematic diagram of a state of a projector when the projector is horizontal according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a reverse limit position of a projection device in a projector according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a forward limit position of a projection device in a projector according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10-an angle adjustment mechanism; 20-a projection device; 30-a housing; 11-a base; 12-mounting a bracket; 13-a linear drive configuration; 14-a push rod; 15-a support; 31-a mounting surface; 110-an installation space; 111-a first mounting plate; 112-a second mounting plate; 113-a mounting seat; 120-a support surface; 121-side frame; 122-a connecting rod; 131-a motor; 132-a screw rod; 133-a nut; 151-support plate; 152-an extension plate; 1111-sliding rail; 1120-a mounting groove; 1211 — a first connection; 1212 — a second connection portion; 1213-third connecting portion; 1131-side plate; x-a first direction; y-second direction.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 4, an angle adjusting mechanism 10 according to the present invention will be described. In the present embodiment, the angle adjusting mechanism 10 is used for adjusting the installation angle of the projection device 20 in the vertical plane to calibrate the projection screen of the projection device 20. It should be understood that, in other embodiments of the present application, the angle adjusting mechanism 10 may also be used to adjust the angle of other devices, such as an image capturing device, etc., according to practical applications and specific requirements, and is not limited herein.
Referring to fig. 1, the angle adjusting mechanism 10 includes a base 11, a mounting bracket 12, a linear driving structure 13, a push rod 14 and two supporting members 15.
The mounting bracket 12, the linear driving structure 13, the push rod 14 and the two supporting members 15 are directly or indirectly mounted on the base 11, the base 11 is provided with two sliding rails 1111, the two sliding rails 1111 are disposed opposite and spaced along a first direction X, the two sliding rails 1111 extend along a second direction Y, the second direction Y is perpendicular to the first direction X, the first direction X and the second direction Y are perpendicular to a vertical direction, and the specific directions of the first direction X and the second direction Y are shown in fig. 1.
Referring to fig. 2, the mounting bracket 12 has a supporting surface 120, the supporting surface 120 is a plane, and the supporting surface 120 is used for supporting a device to be adjusted, specifically, the device to be adjusted in this embodiment is the projection device 20. In addition, in order to ensure that the projection device 20 is stable during the angle adjustment process, the projection device 20 may be fixed to the mounting bracket 12 by a fastening member, or a limiting structure for limiting the projection device 20 is provided on the mounting bracket 12 to prevent the projection device 20 from sliding on the mounting surface 21.
The mounting bracket 12 is rotatably arranged on the base 11, two supporting points are arranged on the mounting bracket 12 at intervals along a first direction X, the linear driving structure 13 is mounted on the base 11 and used for driving the push rod 14 to move along a second direction Y, two ends of the push rod 14 are respectively slidably arranged on the two sliding rails 1111, the two supporting pieces 15 are respectively hinged between the two push rods 14 and the two supporting points, namely, one end of each supporting piece 15 is hinged to the corresponding push rod 14, the other end of each supporting piece 15 is hinged to the corresponding supporting point, specifically, the supporting pieces 15 are hinged to the end portions of the push rods 14 through pins, and the supporting pieces 15 are hinged to the supporting points through pins.
When the angle adjusting mechanism 10 in this embodiment specifically works, at first, the linear driving structure 13 drives the push rod 14 to move along the second direction Y, so that the two ends of the push rod 14 are respectively slidably disposed on the two slide rails 1111, and under the pushing of the push rod 14, the support member 15 rotates in the vertical plane, so as to drive the mounting bracket 12 to rotate in the vertical plane, thereby adjusting the mounting angle of the device to be adjusted in the vertical direction.
The utility model provides an angle adjustment mechanism 10 includes base 11, installing support 12, linear drive structure 13, push rod 14 and two support pieces 15, articulates between push rod 14 and strong point through support piece 15, converts the linear motion of push rod 14 into support piece 15's rotary motion to drive installing support 12 in vertical plane internal rotation, and then realize waiting to transfer the purpose of equipment angle modulation. In addition, this embodiment is through the setting of push rod 14, two slide rails 1111, two support pieces 15 and two support points to convert the rectilinear motion of linear drive structure 13 into the rotary motion of two support pieces 15 respectively, through the support rotation effect of two support pieces 15 to installing support 12, improved the rotation stationarity of installing support 12, and then improved the rotation stationarity, the reliability of waiting to transfer the equipment.
In one embodiment, referring to fig. 1, the linear driving structure 13 includes a motor 131, a screw 132 and a nut 133, the screw 132 is connected to an output shaft of the motor 131, the screw 132 extends along the second direction Y, the nut 133 is installed on the screw 132, the push rod 14 is installed on the nut 133 and moves synchronously with the nut 133, and the push rod 14 extends along the first direction X. During specific work, the motor 131 is started, the screw rod 132 rotates along with the motor 131, the nut 133 is driven by the screw rod 132 to move on the screw rod 132, and the push rod 14 moves synchronously along with the nut 133, so that two ends of the push rod 14 slide on the two slide rails 1111 respectively. In the present embodiment, the nut 133 itself plays a supporting role, so that the additional axial play possibly generated by the screw 132 is eliminated, the structure is simpler, and higher transmission precision can be obtained. It is understood that in other embodiments of the present application, the linear driving structure 13 may be other structures, such as a rack and pinion structure or a transmission belt structure, which is not limited herein.
Referring to fig. 1, the push rod 14 and the nut 133 are an integral connection structure, and the push rod 14 includes a first push portion (not shown) and a second push portion, the first push portion and the second push portion respectively extend from two opposite sides of the nut 133, the first push portion, the nut 133 and the second push portion are sequentially connected and integrally formed, and the processing process is simple. It should be understood that, in other embodiments of the present invention, the above-mentioned push rod 14 and the nut 133 may also be a separate structure, and the push rod 14 and the nut 133 are connected by welding or fastening with a fastener, which is not limited herein.
Preferably, in an embodiment, the motor 131 is a self-locking stepping motor, which is the motor 131 that is self-locked immediately after power failure, that is, after the mounting bracket 20 rotates to an angle required by a user, the motor 131 is powered off, the motor 131 is self-locked, and the motor 131 cannot rotate, so that the lead screw 132, the nut 133, the push rod 14, the support 15, and the mounting bracket 12 cannot move, the whole angle adjusting mechanism 10 is in a self-locking state, the device to be adjusted can stably work at a certain angle for a long time, and the stability of the angle adjusting mechanism 10 is further ensured. It can be understood that, in other embodiments of the present invention, the motor 131 may not be a self-locking stepping motor, but is a common motor, and at this time, a locking structure may be disposed on the base 11, and the bottom of the supporting member 15 is locked by the locking structure after the angle adjustment is completed, so as to achieve the purpose of stable adjustment, and the present invention is not limited only.
In one embodiment, referring to fig. 1, the base 11 includes two first mounting plates 111 and two second mounting plates 112, the two first mounting plates 111 are disposed opposite to each other, the two second mounting plates 112 are disposed opposite to each other, two ends of the first mounting plates 111 are respectively connected to the two second mounting plates 112, and the two first mounting plates 111 and the two second mounting plates 112 enclose to form a mounting space 110. The two sliding rails 1111 are sliding grooves respectively formed on the two first mounting plates 111, wherein a mounting groove 1120 for mounting the motor 131 is formed on one second mounting plate 112, one end of the screw 132 is connected with an output shaft of the motor 131, the other end of the screw 132 is rotatably formed on the other second mounting plate 112, two ends of the push rod 14 are respectively slidably formed in the two sliding grooves, and the screw 132, the nut 133 and the push rod 14 are movably formed in the mounting space 110. In the present embodiment, the base 11 is configured to have a square frame structure, and the screw 132, the nut 133 and the push rod 14 are all disposed in the installation space 110, so that the whole base 11 has a simple structure, low cost and light weight.
Specifically, the thicknesses of the two first mounting plates 111 and the two second mounting plates 112 are equal, that is, the upper surface and the lower surface of the base 11 are flush, which is convenient for the mounting of the base 11. And the two first mounting plates 111 and the two second mounting plates 112 are of an integral connecting structure, and the processing technology is simple. It is understood that, in other embodiments of the present application, the two first mounting plates 111 and the two second mounting plates 112 may also be formed separately and fastened by fasteners, which is not limited herein.
In one embodiment, referring to fig. 1, the sliding slot penetrates through the first mounting plate 111 along the second direction Y, two ends of the push rod 14 respectively penetrate through the two sliding slots, and the supporting member 15 is respectively attached to the outer side of the base 11 and the outer side of the mounting bracket 12 and respectively hinged to the push rod 14 and the supporting point.
Specifically, in the present embodiment, please refer to fig. 1, because of the installation, the outer side of the mounting bracket 12 is not flush with the outer side of the base 11, and the outer side of the mounting bracket 12 is disposed in a retracted manner relative to the outer side of the base 11. The supporting member 15 includes a supporting plate 151 and an extending plate 152, the supporting plate 151 is attached to the outer side of the base 11, the extending plate 152 extends from the supporting plate 151 to the mounting bracket 12, the supporting plate 151 and the extending plate 152 are integrally connected, one end of the supporting plate 151 is hinged to the push rod 14 through a pin, the extending plate 152 is hinged to the supporting point through a pin, and the pin penetrates through the extending plate 152 and the supporting plate 151.
In one embodiment, the angle adjusting mechanism 10 further includes a control board (not shown), a first travel switch and a second travel switch, the linear driving mechanism 13 is electrically connected to the control board, specifically, the motor 131 is electrically connected to the control board, the first travel switch and the second travel switch are respectively electrically connected to the control board, and the first travel switch and the second travel switch are respectively disposed on the sliding rails 1111 and are used for limiting the maximum positive direction adjusting angle and the maximum negative direction adjusting angle of the mounting bracket 12. It should be noted here that, the angle adjustment mechanism 10 adjusts an angle of the device to be adjusted, and the device to be adjusted needs to swing upward or downward as needed, where the maximum positive direction adjustment angle is the maximum limit angle of the device to be adjusted swinging upward, and the maximum negative direction adjustment angle is the maximum limit angle of the device to be adjusted swinging downward. During specific work, the control panel motor 131 rotates at first to drive the mounting bracket 12 to rotate, when the mounting bracket 12 swings upwards to the maximum limit angle, the first travel switch feeds back to the control panel, and the control panel control motor 131 is cut off the power and is locked, so that the limiting protection effect is achieved. Similarly, when the mounting bracket 12 swings downwards to the maximum limit angle, the second travel switch will feed back to the control board, and the control board controls the motor 131 to be powered off and self-locked, so as to achieve the function of limiting protection.
Preferably, in the embodiment, referring to fig. 2 to 4, the maximum positive adjustment angle of the mounting bracket 12 is positive 7.5 degrees, and the maximum negative adjustment angle of the mounting bracket 12 is negative 7.5 degrees, that is, the overall adjustment angle range of the mounting bracket 12 is 15 degrees, so that the adjustment angle range of the device to be adjusted is increased, and the projection effect of the projection device 20 is better and the visual effect is better.
In this embodiment, the first travel switch and the second travel switch are respectively disposed at the middle position and the leftmost position of the sliding slot, and in the swinging process of the supporting member 15, the supporting member 15 will touch the first travel switch or the second travel switch, and the first travel switch or the second travel switch respectively feeds back to the control board, so that the motor 131 is powered off.
In one embodiment, referring to fig. 1, the mounting bracket 12 includes two side frames 121 and at least one connecting rod 122, the two side frames 121 are parallel to each other and spaced apart from each other along the first direction X, the two side frames 121 are respectively rotatably disposed on the base 11, the two supporting points are respectively disposed on the two side frames 121, and the connecting rod 122 is connected between the two side frames 121. This embodiment encloses through both sides frame 121 and connecting rod 122 and closes formation installing support 12 for installing support 12 simple structure, light in weight has thereby reduced support piece 15, push rod 14 and motor 131's load, has reduced the consumption of motor 131, has saved the energy. In addition, the mounting bracket 12 is simple, low in material cost and resource-saving.
Specifically, the two side frames 121 are respectively rotatably disposed on the two first mounting plates 111, that is, the two side frames 121 are respectively supported on the two first mounting plates 111, and the two supporting members 15 are respectively supported on the two first mounting plates 111, so as to ensure that the two side frames 121 both rotate in a vertical plane.
In an embodiment, referring to fig. 1, both the side frames 121 are right triangle frames, each of the side frames 121 has a first connection portion 1211, a second connection portion 1212, and a third connection portion 1213, the first connection portion 1211 is connected between the oblique side and the short right-angle side of the side frame 121, the second connection portion 1212 is connected between the oblique side and the long right-angle side of the side frame 121, the third connection portion 1213 is connected between the long right-angle side and the short right-angle side of the side frame 121, the first connection portion 1211 is rotatably disposed on the base 11, the supporting point is disposed on the second connection portion 1212, the mounting bracket 12 includes two connection rods 122, and the two connection rods 122 are respectively connected between the two second connection portions 1212 and the two third connection portions 1213. In the present embodiment, the side frame 121 is configured to be a right triangle frame, so that the side frame 121 is structurally stable, and the inclined edge of the side frame 121 does not interfere with the base 11 during the rotation process. In addition, in the present embodiment, the two first connecting portions 1211 are rotatably connected to the base 11, respectively, that is, no connecting rod is disposed between the two first connecting portions 1211, so that interference with the motor 131 can be avoided.
Referring to fig. 1, two installation bases 113 are disposed on the base 11 at intervals along the first direction X, each installation base 113 includes two opposite side plates 1131, a rotation space is disposed between the two side plates 1131, the first connection portion 1211 is received in the rotation space, and a rotation axis respectively penetrates through the two side plates 1131 and the first connection portion 1211, so that the first connection portion 1211 is rotatably disposed on the base 11.
The utility model also provides a projector, including shell 30, projection apparatus 20 and above-mentioned angle adjustment mechanism 10, projection apparatus 20 and angle adjustment mechanism 10 all locate in shell 30, projection apparatus 20 installs on angle adjustment mechanism 10's holding surface 120, shell 30's bottom has the installation face 31 that is used for installing base 11, installation face 31 slope sets up, and is concrete, and installation face 31 personally submits 7.5 degrees with the level, so, through the setting of installation face 31, cut apart into positive 7.5 degrees (as figure 4) and negative 7.5 degrees (as figure 3) with installing support 12's rotation angle 15 degrees.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The angle adjusting mechanism is characterized by comprising a base, a mounting bracket, a linear driving structure, a push rod and two supporting pieces, the base is provided with two slide rails which are oppositely arranged along a first direction, the mounting bracket is provided with a supporting surface for supporting the equipment to be adjusted, the mounting bracket is rotatably arranged on the base, two supporting points which are arranged at intervals along the first direction are arranged on the mounting bracket, the linear driving structure is arranged on the base and is used for driving the push rod to move along a second direction, the second direction is vertical to the first direction, two ends of the push rod are respectively arranged on the two slide rails in a sliding manner, the two supporting pieces are respectively hinged between the two push rods and the two supporting points, the push rod pushes the supporting piece to rotate in a vertical plane in a sliding mode, and the mounting support is driven to rotate so as to adjust the mounting angle of the equipment to be adjusted.
2. The angle adjustment mechanism of claim 1, wherein the linear drive mechanism includes a motor, a lead screw coupled to an output shaft of the motor, and a nut mounted on the lead screw, the push rod being disposed on the nut and moving synchronously with the nut.
3. The angle adjustment mechanism of claim 2, wherein the motor is a self-locking stepper motor.
4. The angle adjusting mechanism of claim 2, wherein the base includes two oppositely disposed first mounting plates and two oppositely disposed second mounting plates, the two first mounting plates and the two second mounting plates enclose a mounting space, the two slide rails are sliding grooves respectively formed on the two first mounting plates, one of the second mounting plates is provided with a mounting groove for mounting the motor, and the screw rod, the nut and the push rod are movably disposed in the mounting space.
5. The angle adjusting mechanism of claim 4, wherein the sliding slot penetrates the first mounting plate along the second direction, two ends of the push rod respectively penetrate through the two sliding slots, and the supporting member is respectively attached to the outer side of the base and the outer side of the mounting bracket and respectively hinged to the push rod and the supporting point.
6. The angle adjustment mechanism of any one of claims 1 to 5, further comprising a control board, a first travel switch and a second travel switch, wherein the linear driving mechanism is electrically connected to the control board, the first travel switch and the second travel switch are electrically connected to the control board, respectively, and the first travel switch and the second travel switch are respectively disposed on the slide rail and are used for limiting a maximum positive adjustment angle and a maximum negative adjustment angle of the mounting bracket.
7. The angle adjustment mechanism of claim 6, wherein the maximum positive adjustment angle of the mounting bracket is positive 7.5 degrees and the maximum negative adjustment angle of the mounting bracket is negative 7.5 degrees.
8. The angle adjusting mechanism of any one of claims 1 to 5, wherein the mounting bracket includes two side frames and at least one connecting rod, the two side frames are vertically disposed and spaced apart along the first direction, the two side frames are respectively rotatably disposed on the base, the two supporting points are respectively disposed on the two side frames, and the connecting rod is connected between the two side frames.
9. The angle adjusting mechanism of claim 8, wherein the side frames are right triangle frames, the side frames have a first connecting portion connected between the bevel edge and the short right-angle edge, a second connecting portion connected between the bevel edge and the long right-angle edge, and a third connecting portion connected between the long right-angle edge and the short right-angle edge, the first connecting portion is rotatably disposed on the base, the supporting point is disposed on the second connecting portion, the mounting bracket includes two connecting rods, and the two connecting rods are respectively connected between the two second connecting portions and the two third connecting portions.
10. The projector comprises a shell and projection equipment arranged in the shell, and is characterized by further comprising an angle adjusting mechanism as claimed in any one of claims 1 to 9, wherein the angle adjusting mechanism is arranged in the shell, the projection equipment is mounted on the supporting surface, the bottom of the shell is provided with a mounting surface for mounting the base, and the mounting surface is obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961785.3U CN211450158U (en) | 2019-11-12 | 2019-11-12 | Angle adjusting mechanism and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961785.3U CN211450158U (en) | 2019-11-12 | 2019-11-12 | Angle adjusting mechanism and projector |
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| Publication Number | Publication Date |
|---|---|
| CN211450158U true CN211450158U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921961785.3U Active CN211450158U (en) | 2019-11-12 | 2019-11-12 | Angle adjusting mechanism and projector |
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| CN (1) | CN211450158U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290410A (en) * | 2020-09-14 | 2021-01-29 | 国网河北省电力有限公司邯郸市肥乡区供电分公司 | Supporting platform and supporting structure for transformer box |
| CN112327573A (en) * | 2020-11-12 | 2021-02-05 | 洪达未 | Animation interface physical imaging device based on three-dimensional animation teaching is used |
-
2019
- 2019-11-12 CN CN201921961785.3U patent/CN211450158U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290410A (en) * | 2020-09-14 | 2021-01-29 | 国网河北省电力有限公司邯郸市肥乡区供电分公司 | Supporting platform and supporting structure for transformer box |
| CN112327573A (en) * | 2020-11-12 | 2021-02-05 | 洪达未 | Animation interface physical imaging device based on three-dimensional animation teaching is used |
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